Earth Quiz. General Knowledge quiz on our planet, Earth. Do you know whats taller bigger smaller?
What is the name of the largest ocean on earth?

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Which is hotter, the center of the earth or surface of the sun?

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What is the second most common gas found in the air we breathe?

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The gemstone ruby is typically what color?

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Over a long period of time while under extreme heat and pressure, graphite turns into which precious mineral?

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In terms of land area, what is the largest country in the world?

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The highest mountain on the Earth, measured conventionally from sea level, is

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What is the highest waterfall?

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Which is the longest river?

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Roughly how old is Earth?

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